20120320112219 has 4 divisors (see below), whose sum is σ = 20420623397544. Its totient is φ = 19820016826896.

The previous prime is 20120320112183. The next prime is 20120320112231. The reversal of 20120320112219 is 91221102302102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120320112219 - 2¹⁶ = 20120320046683 is a prime.

It is a super-2 number, since 2×20120320112219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120320112819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150151642562 + ... + 150151642695.

It is an arithmetic number, because the mean of its divisors is an integer number (5105155849386).

Almost surely, 2^{20120320112219} is an apocalyptic number.

20120320112219 is a deficient number, since it is larger than the sum of its proper divisors (300303285325).

20120320112219 is an equidigital number, since it uses as much as digits as its factorization.

20120320112219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300303285324.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20120320112219 in words is "twenty trillion, one hundred twenty billion, three hundred twenty million, one hundred twelve thousand, two hundred nineteen".